gen2-foxglove server

jmo

Hi,

I'm trying to get the depthai-experiment with Foxglove running. But when I run python3 requrements.txt

I am getting this error.

It's so common I find it hard to debug. Any idea?

jakaskerl

jmo
python3 install -r requrements.txt - is the command you should be using.

I see there is a typo in the file name 🙂

Thanks,
Jaka

jmo

… I fixed that issue, but encountered the same error while running main.py.

///
Traceback (most recent call last):
File "main.py", line 20, in <module>
from projector_device import PointCloudVisualizer
ModuleNotFoundError: No module named 'projector_device'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "main.py", line 22, in <module>
raise ImportError(
ImportError: Error occured when importing PCL projector: No module named 'projector_device'
PS X:\Code\stereo-vision\depthai-experiments\gen2-foxglove>

So I tried // pip install projector_device // But then
ERROR: Could not find a version that satisfies the requirement projector_device (from versions: none)
ERROR: No matching distribution found for projector_device

Looked on https://pypi.org/ to find package but no luck yet… And PCL is installed

jmo

Uhm.. does it even run on Windows 11?

kneave

Which version of python are you using? I had this issue and it turned out that foxglove web services has a requirement for python 3.8+ and I was on 3.7.

I think it was 3.8 anyhow, either way worth checking.

jmo

Python 3.8.10 …

kneave

Ah, it looks like a file is missing. If you have a look at the gen2-pointcloud/device-pointcloud folder there's the projector_device file. I'm guessing it's a copy-pasta error, whoever wrote that example may have had the projector file installed somewhere without realising it. Try copying that file in to the same folder as your main.py and it may work.

https://github.com/luxonis/depthai-experiments/blob/master/gen2-pointcloud/device-pointcloud/projector_device.py

jmo

Good find! Movement! still some bugs

added the GLFW library and updated open3d..

on line 12 projector_device.py
# Fix: Initialize GLFW to avoid GLFW Error
o3d.visualization.draw_geometries([])

White screen result…

[INFO] Server listening on ('0.0.0.0', 8765)

Is 0.0.0.0 correct?

jakaskerl

Hi jmo
Server Address: [INFO] Server listening on ('0.0.0.0', 8765) indicates that the server is listening on all available network interfaces of the host machine on port 8765. The address 0.0.0.0 is a way to specify "all IPv4 addresses on the local machine". If the server is intended to be accessed from other machines on the network or if it's designed to listen to data from multiple sources, this is a typical configuration. If you're trying to access the server, you can do so using localhost:8765 or 127.0.0.1:8765 from the same machine.

jmo on line 12 projector_device.py
Fix: Initialize GLFW to avoid GLFW Error
o3d.visualization.draw_geometries([])

fine as well.

Could you try printing the points? Are they even generated?

Thanks,
Jaka